Electrical audio signal processing systems and devices – Binaural and stereophonic – Hearing aid
Patent
1989-02-14
1991-04-02
Isen, Forester W.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Hearing aid
H04R 502
Patent
active
050052012
ABSTRACT:
An apparatus and method for improvement of stereophonic sound. A source of stereophonic sound is provided with two internal loudspeakers and external access to the stereophonic signal. A "wall of sound" effect is achieved by coupling of the sterophonic signal to at least two external loudspeakers with the internal loudspeakers being fed a mixture of the sterophonic signal at reduced power.
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University Loudspeakers, Inc., Ad for TMS-2, p. 34 of Radio & TV News, Dec., 1958.
Parker Robert P.
Rumreich Mark F.
Emanuel Peter M.
Isen Forester W.
RCA Licensing Corporation
Tripoli Joseph S.
Wein Frederick A.
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